<!--
// Copyright © 2022 Hardcore Engineering Inc.
//
// Licensed under the Eclipse Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
-->
<script lang="ts">
  import { Attachment } from '@hcengineering/attachment'
  import core, { type Doc, type Ref, type WithLookup } from '@hcengineering/core'
  import { createQuery } from '@hcengineering/presentation'

  import attachment from '../plugin'
  import { AttachmentImageSize } from '../types'
  import AttachmentList from './AttachmentList.svelte'

  export let value: Doc & { attachments?: number }
  export let attachments: Attachment[] | undefined = undefined
  export let imageSize: AttachmentImageSize = 'auto'
  export let videoPreload = true

  const query = createQuery()
  const savedAttachmentsQuery = createQuery()

  let savedAttachmentsIds: Ref<Attachment>[] = []
  let resAttachments: WithLookup<Attachment>[] = []

  $: updateQuery(value, attachments)

  function updateQuery (value: Doc & { attachments?: number }, attachments?: Attachment[]): void {
    if (attachments !== undefined && attachments.length > 0) {
      resAttachments = attachments
      return
    }

    if (value && value.attachments && value.attachments > 0) {
      query.query(
        attachment.class.Attachment,
        {
          attachedTo: value._id
        },
        (res) => {
          resAttachments = res
        }
      )
    } else {
      resAttachments = []
    }
  }

  savedAttachmentsQuery.query(attachment.class.SavedAttachments, {}, (res) => {
    savedAttachmentsIds = res.map(({ attachedTo }) => attachedTo)
  })
</script>

<AttachmentList attachments={resAttachments} {savedAttachmentsIds} {imageSize} {videoPreload} />
